So the passive LC network is used as a prototype for building a corresponding active network by leap-frog method.

因此，以无源lc网络为原型，利用跳耦法设计对应的有源电路。

youdao

Officials abandoned that method of frogicide amid complaints of animal cruelty and because of environmental-regulation hurdles, according to frog experts and official reports.

WSJ: When It Gets Too Noisy in Paradise, They Call the Frog Whisperer